To analyze the motif's effect on the theme in "The Interlopers" by Saki, we can examine the following:
- The text has a motif of nature and the forest that suggests a theme related to the futility of human conflict and the insignificance of personal grudges in the face of nature's power.
This connection highlights how the characters' personal feud is small and ultimately irrelevant compared to the broader, uncontrollable forces of nature that surround them.